What specific differences about the finches on the galapagos islands were of great interest to darwin

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?

Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above

Cells a and b are the same size and shape, but cell a is metabolically quiet and cell b is actively consuming oxygen. oxygen will diffuse more quickly into cell because . b the oxygen molecules inside cell b have a higher kinetic energy b. a its membrane transport proteins will not be saturated c. a the diffusion gradient there is shallowerd. b the diffusion gradient there is steeper